Adjustable abrasive & dust separator
a technology of abrasives and dust separators, which is applied in the field of blast cabinets, can solve the problems of such small size of fine particulates, too small fine particulates to be effective, and formation of fine particulates within
Active Publication Date: 2021-12-30
MEDIA BLAST & ABRASIVES
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- Summary
- Abstract
- Description
- Claims
- Application Information
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Benefits of technology
The present patent provides a blast cabinet for blasting the surface of a workpiece with blast media. The blast cabinet includes a housing and blast media placed inside the housing. The blast cabinet also includes a centrifuge media separator for separating blast media from fine particulate matter. The centrifuge media separator includes a top panel, bottom panel, inner wall, and outer wall. The outer wall defines a truncated logarithmic spiral and has an escape aperture. The centrifuge media separator also includes an air foil attached to the outer wall, which directs blast media to the escape aperture and is adjustable to vary the distance between a minimum and a maximum. The technical effect of the present invention is to provide a blast cabinet with an improved centrifuge media separator that can effectively separate blast media from fine particulate matter.
Problems solved by technology
In addition, surface coatings, dirt and scale that are abraded from the workpiece by the blast media contribute to the formation of fine particulate within the enclosure.
The fine particulate is too small to be effective as a blast medium and therefore must be eventually removed from the blast cabinet.
In addition, the fine particulate is of such small size such that it may be suspended in the air within the enclosure of the blast cabinet.
Over time, the gradual buildup of the fine particulate can create a foggy or clouded environment within the enclosure which visually impairs or obstructs the operator's view of the workpiece.
Due to health and safety regulations and environmental restrictions, the particulate-filled air cannot simply be exhausted to the atmosphere.
Method used
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[0031]The detailed description set forth below in connection with the appended drawings is intended as a description of certain embodiments of a machining tool assembly for a firearm lower receiver and is not intended to represent the only forms that may be developed or utilized. The description sets forth the various structure(s) and / or functions in connection with the illustrated embodiments, but it is to be understood, however, that the same or equivalent structure and / or functions may be accomplished by different embodiments that are also intended to be encompassed within the scope of the present disclosure. It is further understood that the use of relational terms such as first and second, and the like are used solely to distinguish one entity from another without necessarily requiring or implying any actual such relationship or order between such entities.
[0032]Referring to FIG. 1, shown is the blast cabinet 10 including a centrifuge media separator 30 incorporated therein. Th...
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Abstract
Provided is a centrifuge media separator for separating blast particulate from fine particulate carried by air flowing from a blast cabinet and through the media separator. The centrifuge media separator comprises an upper panel, a lower panel, and an outer wall. The upper panel has a central opening formed therein. The outer wall is configured in a truncated logarithmic shape and which extends between the upper and lower panels. The outer wall has at least one particulate escape aperture formed therein. The upper panel, lower panel and outer wall collectively define a curvilinear air passageway having an inlet and an outlet. An air foil extends from the outer wall in to the air passageway. The distance than the air foil extends in to the air passageway is adjustable. The inlet is configured to allow a flow of air to enter the air passageway and circulate therethrough toward the outlet. The escape aperture is configured to exhaust the blast particulate out of the passageway. The central opening is configured to exhaust the fine particulate out of the passageway.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]The present application is a divisional application of U.S. patent application Ser. No. 15 / 858,919, filed Dec. 29, 2017, the entire disclosure of which is expressly incorporated herein by reference.STATEMENT RE: FEDERALLY SPONSORED RESEARCH / DEVELOPMENT[0002]Not ApplicableBACKGROUND[0003]The present invention relates generally to blast cabinets and, more particularly, to a uniquely configured centrifuge media separator that may be included with the blast cabinet and which is specifically adapted to separate blast particulate of various masses from fine particulate such that the blast particulate may be recycled through the blast cabinet while the fine particulate may be removed from the blast cabinet in order to improve the visibility of a workpiece being blasted within the blast cabinet.[0004]Blast cabinets are typically utilized to clean or generally prepare surfaces of a workpiece by directing high pressure fluid containing abrasive bla...
Claims
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IPC IPC(8): B01D46/02B24C9/00B24C7/00B04B1/06B04C1/00B01D45/12
CPCB01D46/02B24C9/006B24C7/0015B24C5/062B24C9/003B04C1/00B01D45/12B04B1/06Y02P70/10B01D45/16
Inventor STORER, RONALD D.ROBINSON, ROBERT A.
Owner MEDIA BLAST & ABRASIVES